Home / 664,302,030.40-996,453,045.60-204,180,412.60

Finding the Fourth Proportional to 664,302,030.40, 996,453,045.60 and 204,180,412.60

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Solution

The fourth proportional to 664,302,030.40, 996,453,045.60 and 204,180,412.60 is: 306,270,618.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,302,030.40 : 996,453,045.60 = 204,180,412.60 : x
  2. Step 2: Convert to fraction form
    664,302,030.40/996,453,045.60 = 204,180,412.60/x
  3. Step 3: Cross multiply
    664,302,030.40x = 996,453,045.60 × 204,180,412.60
  4. Step 4: Simplify right side
    664,302,030.40x = 203,456,193,987,134,624
  5. Step 5: Solve for x
    x = 203,456,193,987,134,624/664,302,030.40
  6. Step 6: Final answer
    x = 306,270,618.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.